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Night Report 2015-01-15

Observers: Christoffer Fremling, Anders Nyholm

TAT: Annalisa de Cia, Morgan Fraser

No high clouds at the start of the night, but somewhat hazy. humidity of ~30%. Seeing~0.94”. Will attempt EFOSC photometry and spectroscopy. Mostly classifications, but also some photometric followup planned. EFOSC was periodically having trouble with the focus due to internal temp. fluctuations.

(times are in UT)

CALIBRATIONS:

- 17.50: PESSTO_bias, PESSTO_calib

- 23:54: Sunset

- 00:18: Flat fields BR

SCIENCE-OBSERVATIONS:

EFOSC observations

- 00:58 SN2014cx, Airmass=1.5, Seeing=0.78”

Comment: Phot 10x100 R, seeing started at 0.7” but increased and was over 1” in the last ~3 exposures

- 01:15 STD field T_Phe_UBVRi

- 01:22 SN2014cx, Airmass=1.63, Seeing=0.73”

Comment: Phot 9x100 R dither, to make sure we get 10 good seeing images in total. Seeing was stable ~0.7-0.8” during this OB